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Patent Nos. 805305A & 805306A: Air Filter

November 21, 2016 By Jay Brooks Leave a Comment

patent-logo
Today in 1905, both US Patent 805305 A and US Patent 805306 A were issued, and both are related inventions of Albert Lieber, under the same name: “Air Filter.” There’s no Abstract, although in the description it includes these claims for the first one:

The object of this invention is to provide an improved construction of air-filter for filtering compressed air and removing from it impurities as well as chemically treating it during its passage through the filter.

The use to which I. have put this filter is for pitching the interior of beer-kegs and the like for blowing and spreading the warm pitch upon the internal surface of a keg by compressed air passing through this filter. In such case the bacteria and germs in the air will be embedded in the pitch and thus affect the beer, impairing its preserving qualities as well as its taste. It is therefore found very important by me that the compressed air used for the purpose mentioned be rendered chemically pure by passing the air through medicated cotton, thus arresting the particles of dust, microbes, germs, and the like. Beer-kegs treated in this way can be used immediately after being pitched and after prior use without the necessity of treating the kegs as heretofore.

US805305-0

And here’s a description of the claims for the second patent:

The chief feature of this invention consists of means for compressing the cotton or filtering material to the degree best suited for the chemical through which the air passed through the device is being treated.

The purpose of the invention, therefore, is to more thoroughly arrest the bacteria and germs of the air in the filter before the same passes through the filter. I have used it for pitching the interior of beer-kegs, the air being passed through the filter and compressed for blowing and spreading warm pitch upon the internal surface of the keg. This device prevents the bacteria and germs from the air entering the pitch.

US805306-0

Filed Under: Beers, Breweries, Just For Fun, Politics & Law, Related Pleasures Tagged With: Brewing Equipment, History, Law, Patent, Science of Brewing

Patent No. 3773222A: Beer Yeast Dosing Installation

November 20, 2016 By Jay Brooks Leave a Comment

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Today in 1973, US Patent 3773222 A was issued, an invention of Erich Fiebinger, assigned to Draft Systems, Inc., for his beer yeast “Dosing Installation.” Here’s the Abstract:

A dosing system for continuously dosing and dispensing the respective quantities of auxiliary filtering substances to be added in connection with a settling filtration to a cloudy liquid, especially beer, for the cooling and yeast sediments, according to which for dispensing an auxiliary filtering substance for the cooling sediments as well as an auxiliary filtering for the yeast sediment there is provided one dosing device each equipped with a flow meter while both devices which are directly connected to the cloudy liquid conveying conduit are preceded by a flow meter and a device for measuring the total cloudiness of the liquid and by a measuring device provided with a heating zone for measuring the yeast sediment in the cloudy liquid conveying conduit. The dosing installation includes a control device for controlling the dosing devices in conformity with the cloudiness measured by the respective devices.

US3773222-1

Filed Under: Beers, Breweries, Just For Fun, Politics & Law, Related Pleasures Tagged With: Brewing Equipment, History, Law, Patent, Science of Brewing, Yeast

Patent No. WO2007130736A1: Improvements To The Bittering Of Beer

November 15, 2016 By Jay Brooks Leave a Comment

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Today in 1989, US Patent WO 2007130736 A1 was issued, an invention of Richard J. H. Wilson and Robert J. Smith, assigned to S.S. Steiner, Inc., for their “Improvements to the Bittering of Beer.” Here’s the Abstract:

Iso-α-acids and reduced iso-α-acids in their free acids states are converted into mobile resins by the addition of concentrated solutions of alkali metal hydroxides. A food compatible viscosity reducer is added to reduce viscosity and also discourage phase separation during storage. The products may be used in brewing for the bittering of beer and are most effectively used in an apparatus that automatically blends the product with water and injects the resultant, aqueous solution into beer.

P1010386

Filed Under: Beers, Just For Fun, Politics & Law, Related Pleasures Tagged With: History, Hops, Law, Patent, Science of Brewing

Patent No. 4880643A: Beer And Other Beverages And Their Manufacture

November 14, 2016 By Jay Brooks Leave a Comment

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Today in 1989, US Patent 4880643 A was issued, an invention of Charles W. Bamforth and Roy Cope, assigned to Bass Public Limited Company, for his “Beer and Other Beverages and Their Manufacture.” Here’s the Abstract:

Proteinaceous material is added to beer or other beverages. In beer and those other beverages on which a head can be formed it helps to improve the head, while in beverages not normally forming a head it can enable a head to be formed. Proteins extracted from albumen may be employed or whole albumen may be used. To avoid any tendency to haze-formation, particularly on pasteurization, protein fragments may be used. These can be formed by hydrolyzing proteins such as albumen proteins. An alternative method is to use alkylated proteins. Alkylated protein fragments are particularly satisfactory. The alkyl radicals may contain from four to twenty carbon atoms, preferred radicals containing six carbon atoms.

beer_foam

While the title is somewhat vague, it’s about beer foam. Here’s part of the description:

This invention relates to beer and other beverages and to their manufacture. In particular the invention is concerned with the incorporation into a beverage of an additive enabling the beverage to have a head formed on it or to improve the quality of the head that can be formed on it.

The invention is primarily applicable to beer, and the term beer is used herein to designate generally any of a variety of alcoholic beverages made by the fermentation of hopped malt wort; it thus includes within its scope ales, lagers and stouts. Beer itself is normally dispensed with a head, but there are also other beer-like beverages that are normally dispensed with a head and to which the invention is also particularly applicable, these including beverages which include little or no alcohol but otherwise resemble beer quite closely.

In addition to such beer-like beverages the invention may be applied both to other beverages which are customarily dispensed with a head and to beverages which have not hitherto been customarily dispensed with a head. These latter beverages may include wines, `made wines`, fortified wines and spirits. The invention is particularly applicable to carbonated beverages, both alcoholic and non-alcoholic, as the release of gas which tends to occur as the beverage is dispensed encourages a tendency to head-formation.

The foam or head that is normally present on a glass of beer is an important feature of the beer, and it has been found that many consumers, when judging the quality of a beer, consider that for a beer to have a head of good quality is one of the most important factors in that beer’s favour. Much the same is also true of other beverages on which a head is formed. It is considered that a head is of good quality if it has a number of attributes, among which are stability, the ability to form `lacing`, that is a lace-like pattern of bubbles left on the side of the glass after the liquid beer or other beverage has been wholly or largely consumed, and a good appearance, that is a good colour (usually a white colour) and a preponderance of small bubbles of substantially uniform size.

The nature of the head on a glass of beer or other beverage depends principally on two factors, one being the constitution or composition of the beverage itself and the other being the way in which the beverage is dispensed. At least inasfar as its application to beer is concerned, the present invention is primarily concerned with the former of those factors.

From a first aspect the present invention consists in a method of modifying or improving beer or other beverage, which method comprises the step of incorporating in the beverage concerned an additive enabling the beverage to have a head formed on it or to improve the quality of the head that can be formed on it, the additive comprising proteinaceous material.

The amount of additive required to improve the beverage can readily be determined by experiment. The characteristics of the head which tend to be particularly improved by the addition of the additive are the stability of the head, the whiteness of the head and the ability to form lacing. If the proportion of the additive in the beverage is further increased the beverage may become such that a head formed on it becomes excessively stiff, firm and stable.

The proteinaceous material of the additive may comprise at least one protein.

The chemical and physical analysis of beer has shown that certain constituents have a profound effect on the type of head that can be formed on beer, and in particular has shown that the presence of certain types of proteins, particularly those that are hydrophobic and are of a relatively large size, can lead to the formation of an improved head. It would be possible to improve the head-forming properties of beer by extracting suitable proteins from barley or malt and adding them to the ingredients normally used during the manufacture of the beer in order that the resultant beer should contain an increased proportion of the proteins concerned. Such a process of extraction and addition would, however, be relatively complicated and expensive and would therefore be unlikely to be commercially practicable.

It is therefore preferred to use an additive in which the protein or each protein is of a kind not otherwise present in the beverage concerned. The additive preferably comprises albumen, i.e. white of egg. Albumen, of a quality and purity suitable for its incorporation in foodstuffs, is a commercially available product that is relatively inexpensive and can be used, without further treatment, in carrying out the present invention. Nevertheless, commercially available albumen usually if not always contains some materials that are insoluble in water, and it is preferred to extract those before the remaining material, or part of the remaining material, is incorporated in the beverage. The insoluble components can be removed by filtration or by a process in which the albumen is centrifuged.

The additive is preferably formed as an aqueous solution, and that solution may also contain a minor addition of ethyl alcohol.

beer-foam

Filed Under: Beers, Breweries, Just For Fun, Politics & Law, Related Pleasures Tagged With: History, Law, Patent, Science of Brewing

Patent No. 4622224A: Preparation Of Wort Extracts

November 11, 2016 By Jay Brooks Leave a Comment

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Today in 1986, US Patent 4622224 A was issued, an invention of Joseph L. Owades, for his “Preparation Of Wort Extracts.” This appears to be an earlier patent than his “Preparation Of Wort Extracts” that was patented two years later, in 1988. Joe is most well-known for having invented low-calorie light beer. Here’s the Abstract:

A method for producing a wort containing a reduced level of fermentable sugars is described. The method consists of providing a warm aqueous suspension of ground malt, and adding the warm suspension to a boiling aqueous suspension of cereal adjuncts while avoiding temperatures between about 52° and 72° C. The resulting wort is useful for producing a beer with a lower-than-normal alcohol content, or a malt beverage lacking sweetness usually associated with malt beverages.

wort-2

Filed Under: Beers, Breweries, Just For Fun, Politics & Law, Related Pleasures Tagged With: History, Law, Patent, Science of Brewing, Wort

Patent No. 20110274785A1: Method And System For Producing A Malt Beverage Having A High Degree Of Fermentation

November 10, 2016 By Jay Brooks Leave a Comment

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Today in 2011, US Patent 20110274785 A1 was issued, an invention of Bert Boyce, C. James Koch, David Grinnell, and Martin Zarnkow, assigned to the Boston Beer Corporation, for their “Method and System for Producing a Malt Beverage Having a High Degree of Fermentation.” Here’s the Abstract:

Exemplary embodiments of a brewing method and system are provided, where a mixture comprising water and milled malt are mixed to produce a primary mash, and wort is produced from the primary mash. A supernatant liquid is obtained comprising active enzymes from a secondary mash, and the supernatant liquid is added from the secondary mash to the wort, and/or the supernatant liquid can be added to fermented wort after yeast is added to the wort.

US20110274785A1-20111110-D00001
US20110274785A1-20111110-D00002
US20110274785A1-20111110-D00003
US20110274785A1-20111110-D00004
US20110274785A1-20111110-D00005
US20110274785A1-20111110-D00006

Filed Under: Beers, Breweries, Just For Fun, Politics & Law, Related Pleasures Tagged With: History, Law, Patent, Samuel Adams, Science of Brewing

Patent No. 169830A: Improvement In Treating Beer

November 9, 2016 By Jay Brooks Leave a Comment

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Today in 1875, US Patent 169830 A was issued, an invention of Friedrich C. Mussgiller and Robert W. Schneider, for their “Improvement In Treating Beer and Other Liquids.” There’s no Abstract, although in the description it includes these claims:

have invented a new and useful Improvement in Treating Beer and other Liquids, which improvement is fully set forth in the following specification:

This invention consists in treating beer and other liquids of a similar nature with lumps of bicarbonate of soda, or other alkali, said lumps being compacted by means of a suitable cement, so that their specific gravity exceeds that of the liquid to be treated, and that, when one or more such lumps are dropped into the liquid, they sink down to the bottom of the vessel containing the liquid, and that the carbonic acid evolved from said lumps is compelled to permeate the body of the liquid, and at the same time, by forming said lumps of suitable sizes, the quantity of alkaline matter introduced into a certain quantity of liquid can be easily controlled. Together with the alkaline lumps, may be used lumps of tartaric or other suitable acid, compacted in the same manner as the alkaline lumps, so that the amount of carbonic acid evolved from said alkaline lumps can be easily kept under control.

It is a common practice with brewers, and others, to use bicarbonate of soda, either alone or together with tartaric acid, in the manufacture of beer, sparkling wines, and other effervescent liquids, for the purpose of increasing the life of such liquids.

The mode of applying such article or articles-by brewers, for instance is to put about one ounce of the bicarbonate of soda to each quarter barrel with a table-spoon, the bicarbonate employed being in the form of a powder.

It is obvious that this way of operating must produce a great many irregularities as to the taste and reaction of the beer on the human body. The addition of too much bicarbonate of soda will impart to the beer an in the following specific alkaline taste; too little will leave it acid.

Furthermore, the alkaline powder, on being thrown into a barrel of beer, will float on the surface of the liquid, and immediately evolve carbonic acid, a large portion of which is lost, together With the beer which is thrown out by the action of the acid, before the barrel can be closed by a bung. Besides this, the operation of filling barrels is carried on in a great hurry, and a large quantity of the soda handled with a spoon is spilled over the barrel and wasted.

If the brewers wish their beer to contain a large quantity of tartaric acid, they throw into each barrel a few crystals of tartaric acid in addition to an increased quantity of bicarbonate of soda. The result of this operation is that each barrel has different properties, there being no precaution taken to control the quantities of soda and of acid.

These disadvantages we have obviated by preparing both the alkali and the acid in solid lumps of greater specific gravity than that of the liquid in which they are to be used, and of different specific sizes. This object We obtain by mixing the powdered alkali or acid with a suitable cement, such as a solution of dextrine, and then compressing the same in molds of suitable size and shape.

The advantage of using the alkali or acid in this shape is perceptible at once. The lumps of alkali or acid being in compact form when dropped into a barrel filled with beer, ale, or other liquid, will sink to the bottom, and the carbonic acid evolved from them is forced to stay in the liquid. The barrel can be easily closed by a bung without losing a. particle of carbonic acid, or of beer, and the alkali and acid can be introduced into the barrel without any waste. Besides this, the weight or size of our lumps is so gaged that each barrel Will receive the exact quantity of alkali and of acid required, and that the liquid in a number of barrels, after having been treated with the alkali and acid, will be of uniform quality.

baking-soda2
sodium_biocarbonate

Filed Under: Beers, Breweries, Just For Fun, Politics & Law, Related Pleasures Tagged With: History, Law, Patent, Science of Brewing

Patent No. 249332A: Mixture Or Grist For Brewing Purposes

November 8, 2016 By Jay Brooks Leave a Comment

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Today in 1881, US Patent 249332 A was issued, an invention of Francis J. Geis, for his “Mixture or Grist for Brewing Purposes.” There’s no Abstract, although in the description it includes these claims:

My invention consists in a mixture or grist for brewing malt-liquors, composed of malt and cereals or grain having the cellulose or integument and germ or heart removed, the cereals or grain constituting from about twenty-five to fifty per centum, by weight, of the said mixture or grist.The cereals or grains thus treated have the oily and other objectionable matter removed, but contain the maximum amount of starch and the necessary albumenoids and gluten.

In carrying out my invention I prefer to remove the cellulose or integument and germ or heart of the cereals or grain by means of mechanism which is another invention of mine, and for which I intend to apply for Letters of Patent.

Before brewing I substitute for preferably from twenty-five to fifty per centum of the weight of malt ordinarily employed to produce a given quantity of the beverage alike weight of the prepared cereals or grain, and mix the two to form a grist. I then subject the combined mass of malt and cereals or grain to treatment by any suitable one of the usual methods employed in the manufacture of lager-beer, beer, ale, porter, or other malt-liquor, according as I desire to produce either of those beverages. I have found that one hundred pounds of the prepared cereals or grain will equal one hundred and thirty-six pounds of malt in extractor wort (the liquor that runs or is produced before fermentation) for the beverage, and as the prepared cereals or grain are much the cheaper,it is obvious that by means of employing this substitute I very materially cheapen the cost of the beverage. A larger and better quality of yeast of a uniform and vigorous character also results from the use of the prepared cereals or grain.

milled-grain

Filed Under: Beers, Breweries, Just For Fun, Politics & Law, Related Pleasures Tagged With: barley, History, Law, Malt, Patent, Science of Brewing

Patent No. 773573A: Automatic Filling Machine

November 1, 2016 By Jay Brooks Leave a Comment

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Today in 1904, US Patent 773573 A was issued, an invention of William Koedding, assigned to the William J. Lemp Brewing Company, for his “Automatic Filling Machine.” There’s no Abstract, although in the description it includes these claims:

My invention relates to machines for filling bottles and other receptacles with liquid, and has for its principal objects to fill bottles from a tank containing liquid undergaseous pressure, to open communication between the bottle and the gas-filled portion of the tank before the liquid is admitted and to continue it after the liquid is cut ofi’, to regulate the admission of gas under pressure to the tank, to fill bottles automatically, and other objects hereinafter appearing.

US773573-0
US773573-1
US773573-2

Filed Under: Beers, Breweries, Just For Fun, Politics & Law, Related Pleasures Tagged With: Bottles, Brewing Equipment, History, Law, Patent, Science of Brewing

Patent No. 635925A: Machine For Preparing Finings

October 31, 2016 By Jay Brooks Leave a Comment

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Today in 1899, US Patent 635925 A was issued, an invention of William J Gindele, for his “Machine For Preparing Finings.” There’s no Abstract, although in the description it includes these claims:

My invention relates to a machine for preparing that form of gelatin which is known as finings and which is extensively employed for clarifying beer and other beverages; and the object of my invention is to provide a simple, efficient, and inexpensive machine by means of which finings may be prepared by a simple and direct process and without the employment of the heavy manual labor now ordinarily required.

US635925-0

Filed Under: Beers, Breweries, Just For Fun, Politics & Law, Related Pleasures Tagged With: Brewing Equipment, History, Law, Patent, Science of Brewing

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